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Finding the Fourth Proportional to 11,143.95, 16,708.02 and 5,593.29

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Solution

The fourth proportional to 11,143.95, 16,708.02 and 5,593.29 is: 8,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.95 : 16,708.02 = 5,593.29 : x
  2. Step 2: Convert to fraction form
    11,143.95/16,708.02 = 5,593.29/x
  3. Step 3: Cross multiply
    11,143.95x = 16,708.02 × 5,593.29
  4. Step 4: Simplify right side
    11,143.95x = 93,452,801.19
  5. Step 5: Solve for x
    x = 93,452,801.19/11,143.95
  6. Step 6: Final answer
    x = 8,385.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.